Question

In a similar vain to the c# extension topic on SO It would be great if we could pull together a whole host of useful jQuery function extensions.

Please Note the idea is to have short snippets of code not full blown well known plugins or ui widgets

Answer 1

// Allows chainable logging // USAGE: $('#someDiv').hide().log('div hidden').addClass('someClass'); // Demo : http://jsbin.com/odeke jQuery.log = jQuery.fn.log = function (msg) {       if ( window.console && window.console.log ) {          console.log('%s: %o', msg, this);       }       return this; };